WASP-20


WASP-20, also known as CD-24 102, is a binary star system in the equatorial constellation Cetus, located at a distance of about from the Sun. The primary star is an F-type [main sequence star] and hosts one confirmed exoplanet, WASP-20b.

Stellar properties

WASP-20 is a star of spectral type F9, aged 3.6 billion years. Its mass is for a radius of, or a density of.

Planetary system

WASP-20b is a transiting hot Jupiter discovered in 2014. WASP-20b orbits WASP-20 in less than five Earth days very close to its star in a circular orbit. The orbit is inclined by relative to the plane of the sky and is thus edge-on, as necessary for a transit to be observed.